Longissimus colli muscle
Muscles · Latin: Musculus longissimus colli
The longissimus colli, situated medial to the longissimus thoracis, arises by long, thin tendons from the summits of the transverse processes of thoracic vertebræ 1–5, and is inserted by similar tendons into the posterior tubercles of the transverse processes of cervical vertebrae 2–6.
Definition from Wikipedia, CC BY-SA 4.0.